HIGHLIGHTS
- who: Jaime Barrio-Cortes and collaborators from the these cases, the follow-up ended on the date of the last contact recorded in the clinical historyA univariate descriptive analysis was performed with frequencies and percentages for the qualitative variables and with means and standard deviations for the quantitative variables. In the bivariate analysis, the chi-squared test was applied to compare qualitative variables. The nonparametric Mann-Whitney U test was used for between-group comparisons. Median survival and survival curves were produced using Kaplan-Meier analysis. The factors associated with survival were studied with Cox multivariate regression . . .
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